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1950P-2-2F | Differential pressure switch | range 0.5-2 psid | approx. deadband @ min. set point 0.3 | approx. deadband @ max. set point 0.3. | Dwyer Instruments

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Dwyer Instruments 1950P-2-2F Documents

Instruction Manual Series 1950 Catalog Page 1950 More Info

Overview

Details for 1950P-2-2F

Dwyer Instruments 1950P-2-2F Differential Pressure Switch 0.5/2# XPrf The Dwyer Instruments 1950P-2-2F is a differential pressure switch designed for use in industrial applications. It is a compact and lightweight switch with a rugged construction that makes it ideal for use in harsh environments. The 1950P-2-2F has a wide range of adjustable settings and can be used to monitor and control pressure in a variety of systems. The 1950P-2-2F features a SPDT switch with a 15 amp, 125/250 VAC rating. It has a set point range of 0.5 to 2 inches of water column (w.c.) and a differential range of 0.25 to 1 inch w.c. The switch also has a built-in manual reset button for easy operation. The 1950P-2-2F is a versatile switch that can be used in a variety of applications. It is ideal for use in industrial settings, such as manufacturing, HVAC, and food processing. For the best prices and fast shipping on the Dwyer Instruments 1950P-2-2F Differential Pressure Switch, shop our HVAC supply store today!

Series 1950 Explosion-proof Differential Pressure Switch

Compact, Low Cost, Explosion-proof and Weatherproof

Series 1950 Explosion-Proof Differential Pressure Switch combines the best features of the popular Dwyer® Series 1900 Pressure Switch with an integral explosion-proof and weatherproof housing, making it an exceptional value for either application. It is CE, UL and CSA listed, FM approved for use in Class I, Div 1, Groups C and D, Class II Groups E, F, and G and Class III hazardous atmospheres (NEMA 7 & 9), Raintight NEMA 3 (IP54). Weatherproof features include a drain plug and O-ring seal in cover. Electrical connections are easily made by removing front cover. For convenience the set point adjustment screw is located on the outside of the housing. Twelve models offer set points from .03 to 20 in w.c. (0.0075 to 5 kPa) and from .5 to 50 psi (0.035 to 3.5 bar). The unit is very light and compact — about half the weight and bulk of other explosion-proof or weather-proof switches with separate enclosures.

CAUTION: For use only with air or compatible gases. Applications with hazardous atmospheres and a single positive pressure may require special venting.

Product Applications

HVAC applications
Process applications
All-weather applications

Explosion-proof and weatherproof housing provides device protection for outdoor use or harsh environment operation
External set point screw provides easy access that simplifies making adjustments without opening or disassembling enclosure
Easily accessible electrical connection simplifies the installation

Specifications

Series: 1950 Explosion-proof Differential Pressure Switch
Category/Type: Pressure
Type: Differential Pressure
Series: 1950 Explosion-proof Differential Pressure Switch
Service: Air and non-combustible; compatible gases.
Wetted Materials: Consult factory.
Temperature Limits: -40 to 140°F (-40 to 60°C); 0 to 140°F (-17.8 to 60°C)for 1950P-8; 15; 25; and 50. -30 to 130°F (-34.4 to 54.4°C) for 1950-02.
Pressure Limits: Continuous: 1950's - 45" w.c. (0.11 bar); 1950P's - 35 psi (2.41 bar); 1950P-50 only - 70 psi (4.83 bar). Surge: 1950's - 10 psi (0.69 bar); 1950P's - 50 psi (3.45 bar); 1950P-50 only - 90 psi (6.21 bar).
Enclosure Rating: NEMA 3 (IP54); NEMA 7 and 9.
Switch Type: Single-pole double-throw (SPDT).
Electrical Rating: 15 A @ 125; 250; 480 VAC; 60 Hz. Resistive 1/8 HP @ 125 VAC; 1/4 HP @ 250 VAC; 60 Hz.
Electrical Connections: 3 screw type; common; normally open and normally closed.
Process Connections: 1/8" female NPT.
Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
Set Point Adjustment: Screw type on top of housing.
Weight: 3.25 lb (1.5 kg); 1950-02 model 4.4 lb (2 kg).
Agency Approvals: CE; CSA; FM; UL.